bjackman

Starting Firecracker daemon
Starting userfaultfd daemon
Loading snapshot
execve("/nix/store/6sanrzpqmb6p6qw8d72lgmrl0ficdjsv-firecracker-1.12.0/bin/firecracker", ["firecracker", "--no-seccomp", "--api-sock", "/tmp/tmp.6QsdBbxQnH/fc.sock"], 0x7ffe8b766dc8 /* 40 vars */) = 0
brk(NULL)                               = 0x563c47ac0000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd87809f000
access("/etc/ld-nix.so.preload", R_OK)  = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/xx7cm72qy2c0643cm1ipngd87aqwkcdp-glibc-2.40-66/lib/glibc-hwcaps/x86-64-v4/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/nix/store/xx7cm72qy2c0643cm1ipngd87aqwkcdp-glibc-2.40-66/lib/glibc-hwcaps/x86-64-v4/", 0x7fff13124530, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/xx7cm72qy2c0643cm1ipngd87aqwkcdp-glibc-2.40-66/lib/glibc-hwcaps/x86-64-v3/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directo

bjackman

Generating snapshot
2026-02-11T14:46:42.619863438 [anonymous-instance:main] Running Firecracker v1.14.0-dev
2026-02-11T14:46:42.622516802 [anonymous-instance:main] Listening on API socket ("nixos.sock").
2026-02-11T14:46:42.623020159 [anonymous-instance:fc_api] API server started.
2026-02-11T14:46:42.632488394 [anonymous-instance:main] [DevPreview] Async file IO is in development preview.
2026-02-11T14:46:43.677847141 [anonymous-instance:fc_api] The API server received a Patch request on "/vm" with body "{ \"state\": \"Paused\" }".
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0   0     0   0     0     0     0  --:--:-- --:--:-- --:--:--     02026-02-11T14:46:44.648996903 [anonymous-instance:main] Artificially kick devices
2026-02-11T14:46:44.649230495 [anonymous-instance:fc_vcpu 0] Received a VcpuEvent::Resume message with immediate_exit enabled. immediate_exit was disabled before proceedin

bjackman

❯❯  nix run .#benchmarks.x86_64-linux.firecracker-boot.base
warning: Git tree '/usr/local/google/home/jackmanb/src/kernel-benchmarks-nix' is dirty
evaluation warning: system.stateVersion is not set, defaulting to 25.11. Read why this matters on https://nixos.org/manual/nixos/stable/options.html#opt-system.stateVersion.
2026-02-05T15:17:25.806635567 [anonymous-instance:main] Running Firecracker v1.14.0-dev
2026-02-05T15:17:25.807012325 [anonymous-instance:main] Listening on API socket ("my-microvm.sock").
2026-02-05T15:17:25.807164262 [anonymous-instance:fc_api] API server started.
2026-02-05T15:17:25.829667834 [anonymous-instance:main] Artificially kick devices
2026-02-05T15:17:25.829718715 [anonymous-instance:fc_vcpu 0] Received a VcpuEvent::Resume message with immediate_exit enabled. immediate_exit was disabled before proceeding
2026-02-05T15:17:25.829744657 [anonymous-instance:main] Successfully started microvm that was configured from one single json
2026-02-05T15:17:25.841814774 [anonymous-instance:fc_vc

bjackman

3c3
< # Linux/x86_64 6.18.0 Kernel Configuration
---
> # Linux/x86 6.18.0 Kernel Configuration
5c5
< CONFIG_CC_VERSION_TEXT="gcc (GCC) 14.3.0"
---
> CONFIG_CC_VERSION_TEXT="gcc (GCC) 11.5.0 20240719 (Red Hat 11.5.0-5)"
7c7
< CONFIG_GCC_VERSION=140300

bjackman

#
# Automatically generated file; DO NOT EDIT.
# Linux/x86_64 6.18.0 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="gcc (GCC) 14.3.0"
CONFIG_CC_IS_GCC=y
CONFIG_GCC_VERSION=140300
CONFIG_CLANG_VERSION=0
CONFIG_AS_IS_GNU=y
CONFIG_AS_VERSION=24400

bjackman

#
# Automatically generated file; DO NOT EDIT.
# Linux/x86 6.18.0-rc3 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="gcc (GCC) 14.3.0"
CONFIG_CC_IS_GCC=y
CONFIG_GCC_VERSION=140300
CONFIG_CLANG_VERSION=0
CONFIG_AS_IS_GNU=y
CONFIG_AS_VERSION=24400

bjackman

#
# Automatically generated file; DO NOT EDIT.
# Linux/x86 6.18.0-rc6 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="Debian clang version 19.1.7 (3+build5)"
CONFIG_GCC_VERSION=0
CONFIG_CC_IS_CLANG=y
CONFIG_CLANG_VERSION=190107
CONFIG_AS_IS_LLVM=y
CONFIG_AS_VERSION=190107

bjackman

#
# Automatically generated file; DO NOT EDIT.
# Linux/x86 6.18.0-rc6 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="Debian clang version 19.1.7 (3+build5)"
CONFIG_GCC_VERSION=0
CONFIG_CC_IS_CLANG=y
CONFIG_CLANG_VERSION=190107
CONFIG_AS_IS_LLVM=y
CONFIG_AS_VERSION=190107

bjackman

#
# Automatically generated file; DO NOT EDIT.
# Linux/x86 6.18.0-rc6 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="Debian clang version 19.1.7 (3+build5)"
CONFIG_GCC_VERSION=0
CONFIG_CC_IS_CLANG=y
CONFIG_CLANG_VERSION=190107
CONFIG_AS_IS_LLVM=y
CONFIG_AS_VERSION=190107

bjackman

{
  "boot-source": {
    "boot_args": "console=ttyS0,115200 noapic acpi=off reboot=k panic=1 i8042.noaux i8042.nomux i8042.nopnp i8042.dumbkbd 8250.nr_uarts=1 root=fstab loglevel=4 init=/nix/store/5a1cwd0zrxivqwahrzi2zr7qkc0ank2l-nixos-system-my-microvm-25.05.20250523.11cb351/init",
    "initrd_path": "/nix/store/c0w7269zhglhhkikccs3yii9ch4syw8i-initrd-linux-6.12.30/initrd",
    "kernel_image_path": "/nix/store/4h97jkdi0hj4gnx8awq35iicj6i3x8rk-linux-6.12.30-dev/vmlinux"
  },
  "drives": [
    {
      "drive_id": "store",
      "io_engine": "Sync",